[clang] [llvm] [AArch64][PAC] Sign block addresses used in indirectbr. (PR #97647)

[Ahmed Bougacha via llvm-commits]

================
@@ -1789,6 +1789,9 @@ void Clang::AddAArch64TargetArgs(const ArgList &Args,
       options::OPT_fno_ptrauth_vtable_pointer_type_discrimination);
   Args.addOptInFlag(CmdArgs, options::OPT_fptrauth_init_fini,
                     options::OPT_fno_ptrauth_init_fini);
+
----------------
ahmedbougacha wrote:

The whitespaces help differentiate the different classes of fptrauth features (here frontendy vs backendy);  TBH we should probably have more, not less

https://github.com/llvm/llvm-project/pull/97647